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-- create a tablespace we can use
CREATE TABLESPACE testspace LOCATION '@testtablespace@';
-- try setting and resetting some properties for the new tablespace
ALTER TABLESPACE testspace SET (random_page_cost = 1.0);
ALTER TABLESPACE testspace SET (some_nonexistent_parameter = true); -- fail
ERROR: unrecognized parameter "some_nonexistent_parameter"
ALTER TABLESPACE testspace RESET (random_page_cost = 2.0); -- fail
ERROR: RESET must not include values for parameters
ALTER TABLESPACE testspace RESET (random_page_cost, seq_page_cost); -- ok
-- create a schema we can use
CREATE SCHEMA testschema;
-- try a table
CREATE TABLE testschema.foo (i int) TABLESPACE testspace;
SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c
where c.reltablespace = t.oid AND c.relname = 'foo';
relname | spcname
---------+-----------
foo | testspace
(1 row)
INSERT INTO testschema.foo VALUES(1);
INSERT INTO testschema.foo VALUES(2);
-- tables from dynamic sources
CREATE TABLE testschema.asselect TABLESPACE testspace AS SELECT 1;
SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c
where c.reltablespace = t.oid AND c.relname = 'asselect';
relname | spcname
----------+-----------
asselect | testspace
(1 row)
PREPARE selectsource(int) AS SELECT $1;
CREATE TABLE testschema.asexecute TABLESPACE testspace
AS EXECUTE selectsource(2);
SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c
where c.reltablespace = t.oid AND c.relname = 'asexecute';
relname | spcname
-----------+-----------
asexecute | testspace
(1 row)
-- index
CREATE INDEX foo_idx on testschema.foo(i) TABLESPACE testspace;
SELECT relname, spcname FROM pg_catalog.pg_tablespace t, pg_catalog.pg_class c
where c.reltablespace = t.oid AND c.relname = 'foo_idx';
relname | spcname
---------+-----------
foo_idx | testspace
(1 row)
-- let's try moving a table from one place to another
CREATE TABLE testschema.atable AS VALUES (1), (2);
CREATE UNIQUE INDEX anindex ON testschema.atable(column1);
ALTER TABLE testschema.atable SET TABLESPACE testspace;
ALTER INDEX testschema.anindex SET TABLESPACE testspace;
INSERT INTO testschema.atable VALUES(3); -- ok
INSERT INTO testschema.atable VALUES(1); -- fail (checks index)
ERROR: duplicate key value violates unique constraint "anindex"
DETAIL: Key (column1)=(1) already exists.
SELECT COUNT(*) FROM testschema.atable; -- checks heap
count
-------
3
(1 row)
-- Will fail with bad path
CREATE TABLESPACE badspace LOCATION '/no/such/location';
ERROR: directory "/no/such/location" does not exist
-- No such tablespace
CREATE TABLE bar (i int) TABLESPACE nosuchspace;
ERROR: tablespace "nosuchspace" does not exist
-- Fail, not empty
DROP TABLESPACE testspace;
ERROR: tablespace "testspace" is not empty
CREATE ROLE tablespace_testuser1 login;
CREATE ROLE tablespace_testuser2 login;
ALTER TABLESPACE testspace OWNER TO tablespace_testuser1;
SET SESSION ROLE tablespace_testuser2;
CREATE TABLE tablespace_table (i int) TABLESPACE testspace; -- fail
ERROR: permission denied for tablespace testspace
\c -
ALTER TABLESPACE testspace RENAME TO testspace_renamed;
ALTER TABLESPACE testspace_renamed MOVE ALL TO pg_default;
-- Should show notice that nothing was done
ALTER TABLESPACE testspace_renamed MOVE ALL TO pg_default;
NOTICE: no matching relations in tablespace "testspace_renamed" found
-- Should succeed
DROP TABLESPACE testspace_renamed;
DROP SCHEMA testschema CASCADE;
NOTICE: drop cascades to 4 other objects
DETAIL: drop cascades to table testschema.foo
drop cascades to table testschema.asselect
drop cascades to table testschema.asexecute
drop cascades to table testschema.atable
DROP ROLE tablespace_testuser1;
DROP ROLE tablespace_testuser2;
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